A surge of adrenaline
Sudden increase of an intense feeling (fear / panic / excitement)
Mishap
Accident
Split second
In a very short time (in the blink of an eye)
Winding path
A path with twists and turns
Treacherous
Dangerous
Superficial
On the surface, not deep
Collided headlong
Crashed head first
Butterflies in his stomach
Feeling very nervous
In a daze
Confused because shocked
Vibrant
Full of energy, life / bright